Answer
Thermal glider interacts with the warmer water of above cold water of sea to dive and rise. and Buoyancy generates propulsion whenever less power is generated for propulsion then battery is used to supply extra power. Hence battery power is saved and thermal glider can be maintained in under water motion sometime for month.
Work Step by Step
Thermal glider interacts with the warmer water of above cold water of sea to dive and rise. and Buoyancy generates propulsion whenever less power is generated for propulsion then battery is used to supply extra power. Hence battery power is saved and thermal glider can be maintained in under water motion sometime for month.